37 lines
1.5 KiB
CMake
37 lines
1.5 KiB
CMake
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# This file contains checks that ensure a supported build configuration is provided for CCCL.
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# These checks are only enforced when building CCCL tests, examples, etc. and are not required
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# for users of CCCL.
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# The default CXX/CUDA standard to use if none is specified:
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set(_cccl_default_dialect 17)
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function(cccl_dev_build_checks)
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# Similarly, we expect the CXX and CUDA standards to match, if either is set:
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if (CMAKE_CXX_STANDARD OR CMAKE_CUDA_STANDARD)
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if (NOT CMAKE_CXX_STANDARD EQUAL CMAKE_CUDA_STANDARD)
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message(
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FATAL_ERROR
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"CCCL developer builds require that CMAKE_CXX_STANDARD matches "
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"CMAKE_CUDA_STANDARD when either is set:\n"
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"CMAKE_CXX_STANDARD: ${CMAKE_CXX_STANDARD}\n"
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"CMAKE_CUDA_STANDARD: ${CMAKE_CUDA_STANDARD}\n"
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"Rerun cmake with:\n"
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"\t\"-DCMAKE_CUDA_STANDARD=<std> -DCMAKE_CXX_STANDARD=<std>\"."
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)
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endif()
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else()
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# Neither is set; initialize to a default of 20.
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message(
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VERBOSE
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"Setting CMAKE_CXX_STANDARD and CMAKE_CUDA_STANDARD to CCCL default of ${_cccl_default_dialect}."
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)
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set(CMAKE_CXX_STANDARD ${_cccl_default_dialect})
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set(CMAKE_CUDA_STANDARD ${_cccl_default_dialect})
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set(CMAKE_CXX_STANDARD ${CMAKE_CXX_STANDARD} PARENT_SCOPE)
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set(CMAKE_CUDA_STANDARD ${CMAKE_CUDA_STANDARD} PARENT_SCOPE)
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endif()
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message(STATUS "CMAKE_CXX_STANDARD: ${CMAKE_CXX_STANDARD}")
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message(STATUS "CMAKE_CUDA_STANDARD: ${CMAKE_CUDA_STANDARD}")
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endfunction()
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